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C_Integer 2019-03-28 22.15 pair #432271996
details
property
value
status
complete
benchmark
WhilePart.c
ran by
Akihisa Yamada
cpu timeout
1200 seconds
wallclock timeout
300 seconds
memory limit
137438953472 bytes
execution host
n168.star.cs.uiowa.edu
space
Stroeder_15
run statistics
property
value
solver
AProVE
configuration
c
runtime (wallclock)
2.82358 seconds
cpu usage
8.01075
user time
7.64541
system time
0.365334
max virtual memory
1.9272684E7
max residence set size
593044.0
stage attributes
key
value
starexec-result
NO
output
7.60/2.77 NO 7.60/2.77 proof of /export/starexec/sandbox2/benchmark/theBenchmark.c 7.60/2.77 # AProVE Commit ID: 48fb2092695e11cc9f56e44b17a92a5f88ffb256 marcel 20180622 unpublished dirty 7.60/2.77 7.60/2.77 7.60/2.77 Termination of the given C Problem could be disproven: 7.60/2.77 7.60/2.77 (0) C Problem 7.60/2.77 (1) CToLLVMProof [EQUIVALENT, 161 ms] 7.60/2.77 (2) LLVM problem 7.60/2.77 (3) LLVMToTerminationGraphProof [EQUIVALENT, 507 ms] 7.60/2.77 (4) LLVM Symbolic Execution Graph 7.60/2.77 (5) LLVMNonterminationProof [COMPLETE, 31 ms] 7.60/2.77 (6) NO 7.60/2.77 7.60/2.77 7.60/2.77 ---------------------------------------- 7.60/2.77 7.60/2.77 (0) 7.60/2.77 Obligation: 7.60/2.77 c file /export/starexec/sandbox2/benchmark/theBenchmark.c 7.60/2.77 ---------------------------------------- 7.60/2.77 7.60/2.77 (1) CToLLVMProof (EQUIVALENT) 7.60/2.77 Compiled c-file /export/starexec/sandbox2/benchmark/theBenchmark.c to LLVM. 7.60/2.77 ---------------------------------------- 7.60/2.77 7.60/2.77 (2) 7.60/2.77 Obligation: 7.60/2.77 LLVM Problem 7.60/2.77 7.60/2.77 Aliases: 7.60/2.77 7.60/2.77 Data layout: 7.60/2.77 7.60/2.77 "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128-n8:16:32:64-S128" 7.60/2.77 7.60/2.77 Machine: 7.60/2.77 7.60/2.77 "x86_64-pc-linux-gnu" 7.60/2.77 7.60/2.77 Type definitions: 7.60/2.77 7.60/2.77 Global variables: 7.60/2.77 7.60/2.77 Function declarations and definitions: 7.60/2.77 7.60/2.77 *BasicFunctionTypename: "__VERIFIER_nondet_int" returnParam: i32 parameters: () variableLength: false visibilityType: DEFAULT callingConvention: ccc 7.60/2.77 *BasicFunctionTypename: "main" linkageType: EXTERNALLY_VISIBLE returnParam: i32 parameters: () variableLength: false visibilityType: DEFAULT callingConvention: ccc 7.60/2.77 0: 7.60/2.77 %1 = alloca i32, align 4 7.60/2.77 %i = alloca i32, align 4 7.60/2.77 store 0, %1 7.60/2.77 %2 = call i32 @__VERIFIER_nondet_int() 7.60/2.77 store %2, %i 7.60/2.77 br %3 7.60/2.77 3: 7.60/2.77 %4 = load %i 7.60/2.77 %5 = icmp sgt %4 5 7.60/2.77 br %5, %6, %13 7.60/2.77 6: 7.60/2.77 %7 = load %i 7.60/2.77 %8 = icmp slt %7 10 7.60/2.77 br %8, %9, %12 7.60/2.77 9: 7.60/2.77 %10 = load %i 7.60/2.77 %11 = sub %10 1 7.60/2.77 store %11, %i 7.60/2.77 br %12 7.60/2.77 12: 7.60/2.77 br %3 7.60/2.77 13: 7.60/2.77 ret 0 7.60/2.77 7.60/2.77 7.60/2.77 Analyze Termination of all function calls matching the pattern: 7.60/2.77 main() 7.60/2.77 ---------------------------------------- 7.60/2.77 7.60/2.77 (3) LLVMToTerminationGraphProof (EQUIVALENT) 7.60/2.77 Constructed symbolic execution graph for LLVM program and proved memory safety. 7.60/2.77 ---------------------------------------- 7.60/2.77 7.60/2.77 (4) 7.60/2.77 Obligation: 7.60/2.77 SE Graph 7.60/2.77 ---------------------------------------- 7.60/2.77 7.60/2.77 (5) LLVMNonterminationProof (COMPLETE) 7.60/2.77 Proved nontermination with the following witness: 7.60/2.77 7.60/2.77 State #57 with references set to {}. 7.60/2.77 Nondeterministic instruction %1 = alloca i32, align 4 in node #57 yields value 7. 7.60/2.77 Nondeterministic instruction %i = alloca i32, align 4 in node #58 yields value 29. 7.60/2.77 Nondeterministic instruction %2 = call i32 @__VERIFIER_nondet_int() in node #60 yields value 24. 7.60/2.77 7.60/2.77 ---------------------------------------- 7.60/2.77 7.60/2.77 (6) 7.60/2.77 NO
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